Tim,

I have been using a lot of them lately, but not much in board stacking.  Amp
Application Specification 114-11004 covers use of Mictors.  I don't recall
that I've found it on the AMP site; I got my copy faxed from the sales
engineer.

Unfortunately it contains the following caution in bold:  "Amp does NOT
recommend the use of more than one connector pair to interconnect two pc
boards; if such a configuration is necessary to meet design requirements,
consult the Product Information number ... (800-522-6752)"

If you can't get a copy out of AMP, I can fax that document to you (17
pages).

Gary Crowell
Micron Technology




-----Original Message-----
From: Tim stammely [mailto:[log in to unmask]]
Sent: Friday, July 28, 2000 12:02 PM
To: [log in to unmask]
Subject: [TN] AMP Mictor connectors


Does anyone have experience with using Vertical AMP Connectors to mate
daughter cards to a mother card. I have an application where multiple
daughter cards are mated to a system board via mictors. The problems occur
with cards that have 3 or more mictors per daughter card mating to the
mother board. I suspect alignment b/w mictors to be the problem b/c when I
only use one connector to mate to another board we have seen no mating
errors. Our process currently has the mictors hand inserted before reflow.
Help, the next products have as many as 9 mictor connectors on a daughter
card.

Thanks


Tim Stammely





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